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2024 BIO 101 FINAL- STRAIGHTERLINE EXAM WITH CORRECT ANSWERS
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2024 BIO 101 FINAL- STRAIGHTERLINE EXAM WITH CORRECT ANSWERS
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2024 BIO 101 FINAL-STRAIGHTERLINE EXAM WITH
CORRECT ANSWERS
Karyotyping can be used to diagnose which of the following genetic
disorders?
a. Down syndrome
b. phenylketonuria
c. neurofibromatosis
d. cystic fibrosis
e. hemophilia - CORRECT ANSWERS-Down syndrome
What was the first seed plant to appear?
a. angiosperm
b. bryophytes
c. gymnosperm
d. nonvascular plants - CORRECT ANSWERS-gymnosperm
Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6
H+, 2 FADH2, and 2 ATP?
A. Glycolysis
B. Fermentation
C. Citric Acid Cycle
D. Electron Transport Chain - CORRECT ANSWERS-Citric Acid Cycle
Which membranous organelle, present in both animal and plant cells, is
primarily used for storage?
A. the vacuole
B. the Golgi apparatus
C. the lysosome
D. the mitochondrion - CORRECT ANSWERS-the vacuole
Plants are capable of growth throughout their entire lifespan because of
specialized tissue known as the
,A. petiole
B. cotyledon
C. xylem
D. meristem - CORRECT ANSWERS-meristem
In a pedigree for an autosomal recessive disorder, which of the following will
occur if two homozygous unaffected individuals mate?
a. They will have affected offspring.
b. They will have unaffected offspring.
c. Cannot be determined based on the information given.
d. There is a 25% chance they will have affected offspring. - CORRECT
ANSWERS-They will have unaffected offspring.
You have two true-breeding rose bushes, one with red flowers and one with
white flowers, a cross between these two roses yields a bush with pink
flowers. What condition does this demonstrate?
a. Codominance
b. Incomplete dominance
c. Environmental effects
d. Polygenetic inheritance
e. Monohybrid inheritance - CORRECT ANSWERS-Incomplete dominance
Both bacteria and archaea are which of the following types of organism?
a. eukaryotic
b. prokaryotic
c. nucleoplasmic
d. multicellular - CORRECT ANSWERS-prokaryotic
Which of the following is NOT a concern over the use of genetically
engineered corn?
a. resistance among populations of certain pests
b. resistance to herbicides
c. genetic exchange between engineered plants and related species
d. impact of engineered plants on nontarget plant species
e. presence of allergens - CORRECT ANSWERS-resistance to herbicides
An oncogene is
a. a viral gene with no relation to the host cells genes.
, b. a mutated form of a proto-oncogene.
c. a bacterial gene that causes cancer in the host.
d. always seen in human cancer cells.
e. a gene that turns off cellular reproduction. - CORRECT ANSWERS-a
mutated form of a proto-oncogene.
An XXX female would most likely result from nondisjunction in
a. the mother during egg formation.
b. the father during sperm formation
c. in both the mother and father during gamete formation.
d. the fertilized egg.
e. neither the mother nor the father. - CORRECT ANSWERS-the mother during
egg formation.
What determines whether or not genes located on the same chromosome
can assort independently?
a. Genes located on the same chromosome can never assort independently.
b. Genes located on the same chromosome always assort independently.
c. Whether or not independent assortment occurs is just due to random
chance.
d. The distance between genes located on the same chromosome
determines whether or not they can show any level of independent
assortment.
e. The phenotype that the gene will express. - CORRECT ANSWERS-The
distance between genes located on the same chromosome determines
whether or not they can show any level of independent assortment.
According to the operon theory, the function of the regulator gene is to
a. code for enzymes in a metabolic pathway.
b. serve as an on/off switch for transcription.
c. code for a repressor molecule that can bind to the operator.
d. bind to the RNA polymerase molecule.
e. bind to the promoter. - CORRECT ANSWERS-code for a repressor molecule
that can bind to the operator.
Which disorder is characterized by a lack of the protein dystrophin?
a. hemophilia
b. color blindness
c. muscular dystrophy
d. Down syndrome
e. cystic fibrosis - CORRECT ANSWERS-muscular dystrophy
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